… mechanical devices such as springs, wheels, pulleys, etc. Subject to the above conditions, the heading includes : … diseases such as periodontitis. PARTS AND ACCESSORIES Subject to the provisions of Notes 1 and 2 to this Chapter …
… for belt driven motors, or for motors which will be subject to much vibration). Many motors may … and unsuitable for other uses ( heading 90.23 ). PARTS Subject to the general provisions regarding the …